package basic;

public class While {
	
	public static void main(String[] args) {
		int sum = 0;
		int i = 1;
		while (i <= 100) {
			if(i % 2 != 0) {
				sum = sum +i;
			}
			i++;
		}
		System.out.println(sum);
		
		
	}

}
